HELIOS One is a rare Land card from Fallout (PIP), collector number 149. Current market price: $0.30 (foil $0.92), TCGplayer market prices via Scryfall.
{T}: Add {C}. {1}, {T}: You get {E} (an energy counter). {3}, {T}, Pay X {E}, Sacrifice this land: Destroy target nonland permanent with mana value X. Activate only as a sorcery.